As nouns the difference between mugger and pickpocketer
is that mugger is a street robber or mugger can be a large crocodile crocodilus palustris of southwest asia, having a very broad wrinkled snout while pickpocketer is (chiefly|india) a pickpocket.
mugger
English
Etymology 1
Noun
(
en noun)
A street robber.
A person who makes exaggerated faces, as a performance; a gurner.
Etymology 2
From (etyl).
Noun
(
en noun)
A large crocodile Crocodilus palustris of southwest Asia, having a very broad wrinkled snout.